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发明名称
METHOD OF FILLING A GOAF IN COAL SEAMS WORKING
摘要
申请公布号
SU1476156(A1)
申请公布日期
1989.04.30
申请号
SU19874247331
申请日期
1987.05.19
申请人
VNI PK UGOLNYJ INSTITUT"KUZNIUI"
发明人
YAKOVLEV NIKOLAJ I,SU;BARSUKOV IVAN I,SU;ZAPREEV STEPAN I,SU;SUKHOVOLSKIJ STEPAN N,SU;SUKHORUKOV VLADIMIR A,SU;SHISHORIN VALERIJ A,SU;RODIONOV ANATOLIJ E,SU;KIRYUKHIN YURIJ E,SU
分类号
E21F15/00
主分类号
E21F15/00
代理机构
代理人
主权项
地址
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